ARCO Marine Zeus A275L Transit Alternator with Regulator – High Power 12V Marine, RV, and Commercial Applications

Zeus A275L Transit Alternator with Regulator

The highest power output alternator in its size/class.

Features:

• Engineered for High Energy Production.


• Suitable for Marine, RV, Military, and Commercial applications.


• Rapidly charges large battery banks.


• Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to:

- Heat shedding coatings

- Rectifier located on housing exterior

- Dual cooling fans

- OEM Components

• It is optimized for performance at idle speeds.


• Reduces the need for a generator by creating additional power with your engine.


• Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods.


• Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging.


• SAE J1171 Certified.


• Made in the U.S.A.

Technical Specifications:

• Voltage - 12v


• Field Type - P


• Rotor Poles - 16


• Stator Size - 138mm


• Frame Size - Large


• Weight - 14.9 lbs/6.7 kg


• Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.)


• Output Voltage - 14.1v (Default)


• Finish - (Black) Cerakote or E-coating


• Cut-In RPM - 1,061 Alternator RPM


• Maximum Alt RPM - 19,000


• Battery Post - M8 Thread Post, Side Mount


• Standard Pulley - 49K6 (6-groove, 49mm)


• Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5


• Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included)


• Diodes - 6 positive, 6 negative, 50A Rated, Avalanche


• Max Output (Cold, 9,000 RPM) - 311 Amps


• Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps


• Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps


• Max Continuous Operating Temperature - 110C / 230F

Mounting Application:

• Replaces Ford Transit alternators 3.5L 3.7L Gas engines 2015-2022

The ARCO Marine Zeus A275L Transit Alternator with Regulator offers the highest power output in its size class, making it ideal for demanding marine, RV, military, and commercial use. Engineered for high energy production, this alternator rapidly charges large battery banks and operates at cooler temperatures, which enhances overall performance and longevity. Thanks to heat shedding coatings, an exterior rectifier, dual cooling fans, and OEM components, the A275L runs 8 to 20% cooler than conventional alternators, ensuring reliable operation even under heavy loads. Its design is optimized for performance at idle speeds, reducing the need for additional generators by generating extra power directly from your engine. The advanced E-Coat/Cerakote finish absorbs less heat, allowing the alternator to produce more amperage over extended periods, which is crucial for sustained power demands. For maximum performance, pairing the alternator with an ARCO Zeus Bluetooth regulator or lithium battery charging system is recommended, providing seamless and efficient power management. Certified according to SAE J1171 standards and proudly made in the USA, this alternator guarantees quality and durability for demanding applications.

Features:

• High energy production suitable for marine, RV, military, and commercial applications

• Runs 8-20% cooler due to heat shedding coatings, exterior rectifier, dual cooling fans, and OEM components

• Optimized for high performance at idle speeds, reducing the need for external generators

• Advanced E-Coat/Cerakote finish absorbs less heat, increasing amperage output

• Compatible with ARCO Zeus Bluetooth alternator regulator for enhanced performance and lithium battery charging

• SAE J1171 Certified for industry standards

• Made in the USA with durable materials and components